DURING MY LAST SET, I FELT A SHARP PAIN IN MY LOWER BACK. I HAVE FELT THIS BEFORE AND LIKE LAST TIME I AM TAKING THE REST OF THE WEEK AND RESTING. JUST DO A LOT OF STRETCHING. BACK IS FEELING BETTER ALREADY WITH JUST A DAYS PASSING. HERE IS THE VIDEO OF MY LIFTS. ANY HELPFUL COMMENTS IS GREATLY APPRECIATED. THANK YOU!!!